package com.franzliszt.hospitalnumberingsystem.util;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;

import androidx.annotation.Nullable;

import com.franzliszt.hospitalnumberingsystem.R;


public class ProgressBarView extends View {
    // 画实心圆的画笔
    private Paint mCirclePaint;
    // 画圆环的画笔
    private Paint mRingPaint;
    // 画圆环的画笔背景色
    private Paint mRingPaintBg;
    // 画字体的画笔
    private Paint mTextPaint;
    // 圆形颜色
    private int mCircleColor;
    // 圆环颜色
    private int mRingColor;
    // 圆环背景颜色
    private int mRingBgColor;
    // 半径
    private float mRadius;
    // 圆环半径
    private float mRingRadius;
    // 圆环宽度
    private float mStrokeWidth;
    // 圆心x坐标
    private int mXCenter;
    // 圆心y坐标
    private int mYCenter;
    // 字的长度
    private float mTxtWidth;
    // 字的高度
    private float mTxtHeight;
    // 总进度
    private int mTotalProgress = 100;
    // 当前进度
    private double mProgress;
    private boolean Flag = true;
    private String TextContent;
    public ProgressBarView(Context context) {
        super( context );
    }

    public ProgressBarView(Context context, @Nullable AttributeSet attrs) {
        super( context, attrs );
        initAttrs(context,attrs);
        initVariable();
    }

    public ProgressBarView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super( context, attrs, defStyleAttr );
    }
    private void initAttrs(Context context, AttributeSet attrs) {
        TypedArray typeArray = context.getTheme().obtainStyledAttributes(attrs,
                R.styleable.TasksCompletedView, 0, 0);
        mRadius = typeArray.getDimension(R.styleable.TasksCompletedView_radius, 80);
        mStrokeWidth = typeArray.getDimension(R.styleable.TasksCompletedView_strokeWidth, 10);
        mCircleColor = typeArray.getColor(R.styleable.TasksCompletedView_circleColor, 0xFFFFFFFF);
        mRingColor = typeArray.getColor(R.styleable.TasksCompletedView_ringColor, 0xFFFFFFFF);
        mRingBgColor = typeArray.getColor(R.styleable.TasksCompletedView_ringBgColor, 0xFFFFFFFF);

        mRingRadius = mRadius + mStrokeWidth / 2;
    }
    private void initVariable() {
        //内圆
        mCirclePaint = new Paint();
        mCirclePaint.setAntiAlias(true);
        mCirclePaint.setColor(mCircleColor);
        mCirclePaint.setStyle(Paint.Style.FILL);

        //外圆弧背景
        mRingPaintBg = new Paint();
        mRingPaintBg.setAntiAlias(true);
        mRingPaintBg.setColor(mRingBgColor);
        mRingPaintBg.setStyle(Paint.Style.STROKE);
        mRingPaintBg.setStrokeWidth(mStrokeWidth);


        //外圆弧
        mRingPaint = new Paint();
        mRingPaint.setAntiAlias(true);
        mRingPaint.setColor(mRingColor);
        mRingPaint.setStyle(Paint.Style.STROKE);
        mRingPaint.setStrokeWidth(mStrokeWidth);
        //mRingPaint.setStrokeCap(Paint.Cap.ROUND);//设置线冒样式，有圆 有方

        //中间字
        mTextPaint = new Paint();
        mTextPaint.setAntiAlias(true);
        mTextPaint.setStyle(Paint.Style.FILL);
        mTextPaint.setColor(mRingColor);
        mTextPaint.setTextSize(mRadius / 2);

        Paint.FontMetrics fm = mTextPaint.getFontMetrics();
        mTxtHeight = (int) Math.ceil(fm.descent - fm.ascent);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw( canvas );
        mXCenter = getWidth() / 2;
        mYCenter = getHeight() / 2;

        //内圆
        canvas.drawCircle( mXCenter, mYCenter, mRadius, mCirclePaint );

        //外圆弧背景
        RectF oval1 = new RectF();
        oval1.left = (mXCenter - mRingRadius);
        oval1.top = (mYCenter - mRingRadius);
        oval1.right = mRingRadius * 2 + (mXCenter - mRingRadius);
        oval1.bottom = mRingRadius * 2 + (mYCenter - mRingRadius);
        canvas.drawArc( oval1, 0, 360, false, mRingPaintBg ); //圆弧所在的椭圆对象、圆弧的起始角度、圆弧的角度、是否显示半径连线

        //外圆弧
        if (mProgress > 0) {
            RectF oval = new RectF();
            oval.left = (mXCenter - mRingRadius);
            oval.top = (mYCenter - mRingRadius);
            oval.right = mRingRadius * 2 + (mXCenter - mRingRadius);
            oval.bottom = mRingRadius * 2 + (mYCenter - mRingRadius);
            canvas.drawArc( oval, -90, ((float) mProgress / mTotalProgress) * 360, false, mRingPaint ); //

            //字体
            if (Flag){
                String txt = mProgress + "%";
                mTxtWidth = mTextPaint.measureText( txt, 0, txt.length() );
                canvas.drawText( txt, mXCenter - mTxtWidth / 2, mYCenter + mTxtHeight / 4, mTextPaint );
            }else {
                mTxtWidth = mTextPaint.measureText( TextContent, 0, TextContent.length() );
                canvas.drawText( TextContent, mXCenter - mTxtWidth / 2, mYCenter + mTxtHeight / 4, mTextPaint );
            }
        }
    }
    //设置进度
    public void setProgress(double progress) {
        mProgress = progress;
        Flag = true;
       //postInvalidate();//重绘
        invalidate();
    }
    public void setCircleColor(int Color){
        mRingPaint.setColor( Color );
        //postInvalidate();//重绘
        invalidate();
    }
    public void setContent(String Content){
        TextContent = Content;
        Flag = false;
        invalidate();
    }
}
